Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
26-05-2024 20:42
General
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Target
3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658.exe
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Size
4.2MB
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MD5
ab4e3e9bc5f40cd28b02f62e2dd932de
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SHA1
278f73eb4faaa585b19d077b77c1ef3fbab33644
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SHA256
3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658
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SHA512
f73b42346a2eb74c5a5e83d1d0b1b6e6b75a4716a2710f84b0b95b89e7d3e32b1df1f989a4a99ed6cf9d74c7309cd50bd2ad5ca8276a3596a5abc8df03023fc6
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SSDEEP
98304:XxJRzmqXNTcWe0sR81wobiqlc7JLdXp1JSzhF0vDQa:9lXprxi81gqS7v/JSzM5
Malware Config
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload 20 IoCs
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Detects Windows executables referencing non-Windows User-Agents 17 IoCs
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Detects executables Discord URL observed in first stage droppers 17 IoCs
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Detects executables containing URLs to raw contents of a Github gist 17 IoCs
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Detects executables containing artifacts associated with disabling Widnows Defender 17 IoCs
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Detects executables referencing many varying, potentially fake Windows User-Agents 17 IoCs
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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Drops file in System32 directory 7 IoCs
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Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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Drops file in Windows directory 2 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs
Using powershell.exe command.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 10 IoCs
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Suspicious use of WriteProcessMemory 30 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658.exe"C:\Users\Admin\AppData\Local\Temp\3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658.exe"C:\Users\Admin\AppData\Local\Temp\3982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
19KB
MD5563a7d8fd2b5852f2419cc6bf64d6c5a
SHA1917aa947b62c7783ee764ea847cf916553c48fe4
SHA25676deed469d72a7c965650d435aabc7e2e55fdfc7d3794739bb4f9e67a2a1d30c
SHA5123758084ad67d7b6000a37e61d2024ad0b0d47774baecf3bfdeaa03c8814653f1e8f9e7dd1884f52f6498b9c784a92adaa356077549cf0a4cbb51435faad9625b
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Filesize
19KB
MD5303d752befbc8c47b9112b7a1f97ccb7
SHA172e7ef59413ad5923fa7f050b44b2e3bd4b20887
SHA25639274e3d949e350d1a8d0e72edb7edea0a88ebb71304d31f242341420713a80e
SHA512823b1b61341afc0331e263eabc389991645d22a9a6dca2f56eb75d75a91bb138c0b7848b449898eadd9627dc483a7312d2c87194e5021a737bd88e2b3f5bc665
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Filesize
19KB
MD585b159c459ad9f9ac41ba123aa6ddf8e
SHA16139b71494b9b916695d65da712bffbaf430dd69
SHA256a05936e42ca448900c016ec5a52d792df1358ee4608033e8bfac59de43f04895
SHA5122ad807213b71eee2fcb2f928e4fc0d73235907d4d29f34bd23b150c3bd1494a96dc7faed7b2b8032117956f04db6872afab7cfd542f3ce85fc3110e899691f56
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Filesize
19KB
MD540455f41f9b16151e89884d18cc887a0
SHA1b87046bc0c205c1c456a204724fab284d57d5bea
SHA256bfda3d35ec7490e214c44f49050073b964773f81b8f12df23e28c57d512c6548
SHA512a18a12bffb3e9fca0657d6a3c8e8cc822694a7e77eb94b62903299eb3fc0dc3c3d829178fa505fb50dd73347695760713099664cd8d6b2158432b3d390598952
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Filesize
19KB
MD5c4af959ab908d90796f124ec633e2b61
SHA1319b4e755a4152bc2cadac31c4ee34274ee33214
SHA2561b4fbb75a3afc797f6a2e0a6028ad3733fccaa8455d12689a35679b3db9e56d2
SHA5128519f9418bf03c372f17b9e4cdccb0cc3e697e49d9188c509ba076b34b6e9525dea43a3c4bc37beb6bfe1d2482c28822b84b9fd58ca0ae0bae2207c558fd4ff4
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Filesize
4.2MB
MD5ab4e3e9bc5f40cd28b02f62e2dd932de
SHA1278f73eb4faaa585b19d077b77c1ef3fbab33644
SHA2563982f53ca6710e1ac9bd25111413abf246d5bd7bdf046f912c0376d4370ec658
SHA512f73b42346a2eb74c5a5e83d1d0b1b6e6b75a4716a2710f84b0b95b89e7d3e32b1df1f989a4a99ed6cf9d74c7309cd50bd2ad5ca8276a3596a5abc8df03023fc6
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Filesize
4.0MB
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Filesize
8.9MB
-
Filesize
10.9MB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
80KB
-
Filesize
3.3MB
-
Filesize
68KB
-
Filesize
652KB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
-
Filesize
304KB
-
Filesize
3.3MB
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Filesize
3.3MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
10.9MB
-
Filesize
200KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
4KB
-
Filesize
80KB
-
Filesize
216KB
-
Filesize
56KB
-
Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
68KB
-
Filesize
600KB
-
Filesize
7.7MB
-
Filesize
136KB
-
Filesize
40KB
-
Filesize
652KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
3.3MB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
272KB
-
Filesize
472KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
7.7MB
-
Filesize
3.3MB
-
Filesize
68KB
-
Filesize
652KB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
304KB
-
Filesize
304KB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
9.1MB
-
Filesize
10.9MB
-
Filesize
8.9MB
-
Filesize
9.1MB
-
Filesize
8.9MB
-
Filesize
3.3MB
-
Filesize
304KB
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Filesize
3.3MB